package com.itcast.mybatis;

import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;

/**
 * @Description 描述
 * @Date 2020/7/10 9:48
 * @Author taojiangbing
 */
public class Test {

    public static void main(String[] args) throws UnsupportedEncodingException {
        Map<String,String> map = new HashMap();
        System.out.println(new String("你").getBytes("UTF-8").length);
    }
}
